JP3169015B2 - Operating device for grain dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a device for operating a grain dryer.

[0002]

2. Description of the Related Art
The operating device for controlling the operation of the grain dryer such as start / stop is provided with a start / stop switch group for each work item such as a sticking operation, a drying operation, and a discharging operation, and performs a start operation or a stop operation. Was.

[0003] For this reason, in the grain drying work which often necessitates work in nighttime or in a barn where lighting conditions are poor, it is easy to make a mistake in selecting from a plurality of switches.

[0004]

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned drawbacks, and displays, on a surface plate, respective work items of grain processing operations different in embedding, drying and discharging. Display state
And each setting of grain stop moisture and filling amount in drying operation
A display device 2 in a liquid crystal mode that switches to a display state for displaying items and changed set values , and each of these work items or settings
Corresponding position below and in the vicinity of each of the display device 2 of items, each of these work items selected for each display, or setting items Tokoro
In addition to providing a plurality of selection devices 3 for changing settings as desired ,
The operation device of the grain dryer includes a drying control device 4 for controlling the operation in response to the input of the operation of the selection device 3.

[0005]

Operation and Effect of the Invention In a display state for displaying work items
Displays the work items of stuffing, drying and discharging.
When selecting and setting by the selection device 3, move to each work
The drying control device 4 outputs a start command signal to each operation unit.
When shifting to the drying operation, the labeling state must be changed to grain
Set the stop moisture and inflation amount for each
Set value by operating the selection device 3 provided at the position
Can be obtained while changing the value. Each work
Change the display status of each item and the set value of each setting item
Since the display status is switched, the setting of each work item can be set.
Selection device for setting, selection device for setting value change, example
For example, a common setting switch can be used,
The necessary selection devices should be displayed according to the
Misoperation can be prevented. In addition, since the display device 2 is in a liquid crystal mode, even in the night or in an operation work in a barn where it is difficult to take lighting, since the display device 2 is a liquid crystal display, the display content can be grasped regardless of lighting conditions, and the correspondence of the selection operation is also improved. Since it can be easily clarified, erroneous operation can be prevented.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The illustrated example shows a state in which an operating device 6 for starting and stopping the dryer 5 is detachably attached to a circulation type grain dryer 5 for drying grains.

The dryer 5 has a rectangular shape which is long in the front-rear direction and is provided with a transfer gutter 7 and a ceiling plate 8 in which a transfer spiral is rotatably mounted above a machine wall 9, and a grain below the ceiling plate 8. A storage chamber 10 for storing particles is formed.

Under the storage chamber 10, left and right drying chambers 13 are provided between the left and right exhaust chambers 11 and the air blowing chamber 12 in the center.
Discharge valve 1 for dispensing and flowing down grains at the lower part of 3,13
4, 14 are rotatably supported.

The drying chambers 13, 13 have a configuration in which a grain collecting gutter 15 in which a transfer spiral is rotatably provided communicates with the lower side of the drying chambers. On the front side of the machine wall 9, a burner case 17 containing a burner 16 is detachably mounted on the outer surface of the machine wall 9 to correspond to the inlet side of the blower chamber 12.
The burner 16, and the detachably attached to providing configuration the moisture sensor 18 and the dryer 5 the operating device 6 to start and stop operation of the.

On the rear side of the machine wall 9, there is formed an exhaust path chamber 19 which can communicate with the left and right exhaust chambers 11, 11. An air blower 21 and an air blower motor 22 that rotationally drives the air blower 21 are provided.

Reference numeral 23 denotes a valve motor,
4 and 14 are configured to be rotationally driven via a speed reduction mechanism 24. A fuel pump 25 having a fuel valve is provided outside the lower plate of the burner case 17, and the fuel pump 25 sucks fuel in a fuel tank 26 and supplies the fuel into the burner 16 by opening and closing the fuel valve. Also, on the outer side of the upper plate, a speed change blower motor 28 for driving the speed change rotation of the blower 27 is provided, and the air for combustion corresponding to the supplied fuel amount is blown into the burner 16 by the blower 27.

At the center of the bottom plate of the transfer gutter 7 in the front-rear direction,
Providing a supply port for supplying transfer kernels into the storage chamber 10,
Below the supply port, a diffusion plate 29 for uniformly diffusing and reducing the grains into the storage chamber 10 is provided.

The grain raising machine 30 is provided in front of the machine wall 9 and has a belt with a bucket conveyor 31 stretched inside. The upper end of the grain raising machine 30 projects from the start end of the transfer gutter 7. A tube 32 is provided for communication, and the lower end is connected to the grain collecting gutter 15
A supply gutter 33 is provided between the end portion and the supply gutter 33 for communication.

Numeral 34 denotes a grain raising motor for rotating the belt with the bucket conveyor 31, the transfer spiral in the transfer gutter 7, the diffusion plate 29, and the like. The spiral is driven to rotate via the belt with the bucket conveyor 31.

The moisture sensor 18 for detecting grain moisture is provided substantially at the center of the grain raising machine 30 in the vertical direction. The moisture sensor 18 transmits the electrical measurement signal from the operating device 6 to control the moisture. The motor 35 is rotated to rotate the respective parts of the moisture sensor 18 so as to receive the grains falling while being transported to the upper part by the bucket conveyor 31, to crush and compress the grains, and at the same time, to pulverize the grains. It is configured to detect moisture.

The operation device 6 has a box shape, a display device 2 made of liquid crystal or the like, and a selection device 3 provided below the display device 2 on one surface plate of the box unit. Three push-button operation switches 36, 37, and 38 are arranged in a row in the horizontal direction.

An A / D converter 40 for A / D converting detection values detected by the moisture sensor 18 and the hot air temperature sensor 39 is provided in the operation device 6, and a conversion converted by the A / D converter 40. An input circuit 41 for inputting a value, an input circuit 42 for inputting operations of the operation switches 36, 37, and 38;
The drying control device 4 includes a CPU 43 that performs arithmetic logic operation and comparison operation on various input values input from the input circuits 41 and 42, and an output circuit 44 that receives and outputs various commands from the CPU 43. It has a built-in configuration.

The operation and control of the start and stop of the dryer 5 by the drying controller 4 are performed as follows. That is, as shown in FIG. 3, the first display shows the selection of the work item on the display device 2 and “insert” at the upper position of the operation switch 36 and “dry” at the upper position of the operation switch 37. And "discharge" is displayed above the operation switch 38, and the operation switches 36, 3 corresponding to the work item to be started.
The operation items 7 and 38 are operated to select a work item.

When starting the filling operation, the dryer 5 is operated by operating the operation switch 36 on the lower side, which is displayed as "Padding," so that each part necessary for the filling operation is started. At the same time, as shown in FIG. 4, a display of a stop operation is displayed on the display device 2 and a display of "stop" is provided at the upper position of the operation switch 36. By operating the switch 36, each part of the dryer 5 is stopped.

When the drying operation is started, by operating the lower operation switch 37 indicating "Dry", the drying operation in the dryer 5 is selected and, as shown in FIG.
The display device 2 displays a selection of a condition item, a stop moisture display at an upper position of the operation switch 36, a sticking amount display at an upper position of the operation switch 37, and the operation switch 3.
The operation of the operation switch 36 causes the display unit 2 to stop drying at 13%, 13.5%, 14%...
Are sequentially displayed, and when the same numerical value as the water to be stopped is displayed, when the operation of the operation switch 36 is stopped, the displayed numerical value at the time of the stop is set as the stopped water. By operating the operation switch 37 in the same manner as the operation switch 36, the display device 2
The amount of indentation is 1400, 1600, 1800, 2000 ...
Are displayed in sequence, and when the same numerical value as the sticking amount is displayed, when the operation of the operation switch 37 is stopped, the displayed numerical value at the time of the stop is set as the sticking amount. The configuration is such that the temperature of the generated hot air is set. By operating the operation switch 38, the dryer 5 is configured to start various parts necessary for performing a drying operation.

When the discharge operation is started, by operating the operation switch 38 below the display of "discharge", the dryer 5 starts the various parts necessary for the discharge operation at the same time as in FIG. As shown in the figure, a display of a stop operation is displayed on the display device 2 and a display of "stop" is provided at an upper position of the operation switch 36. When the discharge operation is completed, the operation switch 36 is operated. Thereby, each part of the operation of the dryer 5 is stopped.

In addition, the drying control device 4 has the following functions. That is, the operation content of the operation switch 36 is C
This is input to the PU 43, and the stop moisture of the grain is set by this input. On the other hand, the grain moisture detected by the moisture sensor 18 is also input to the CPU 43, and the inputted detected grain moisture is compared with the set stop moisture, and when it is detected that the detected grain moisture has reached the stop moisture. The operation of the dryer 5 is automatically stopped so that the drying of the grain is completed. In addition to the above, the configuration is also such that the hot air temperature is controlled.

The operation of the above embodiment will be described below. Operation switches 36, 3 of the selection device 3 of the operation device 6
By operating 7, 38, each part of the grain dryer 5,
The burner 16 and the moisture sensor 18 are started, the stopped moisture of the grain and the temperature of the hot air generated from the burner 16 are set, and the hot air is generated from the burner 16. 13 and the exhaust air chambers 11 and 11
The grains stored in the storage chamber 10 are sucked and exhausted by the exhaust fan 21 through the exhaust path chamber 19, so that the kernels flow down from the storage chamber 10 through the drying chambers 13, 13. It is dried by being exposed to hot air, fed downward by the feed valves 14, 14, and flows down from the stone collecting gutter 15 through the supply gutter 33 into the grain raising machine 30 by the lower transfer spiral and supplied. When the grain moisture detected by the moisture sensor 18 reaches the stop moisture, it is uniformly diffused and reduced into the storage chamber 10 by the diffusion board 29 from the gutter 7 and diffused into the storage chamber 10. The drying of the grain is stopped by automatically stopping the dryer 5 by automatic control.

As shown in FIGS. 11 and 12, a full sensor 45 is provided in the storage chamber 10 for detecting a full state of kernels inserted into the storage chamber 10. In the lower part of 13, a grain remaining amount sensor 46 for detecting the presence or absence of a grain is provided, and a plurality of digital sensors are provided in addition to the sensor.

In addition, at the lower four corners of the machine wall 9, a filling amount sensor 47 for detecting a filling grain amount is provided, and a plurality of analog sensors are provided in addition thereto. The operating device 6 'shown in FIG. 10 has a box shape, and a message display unit 48 for performing various displays, an operation switch 49 for starting the dryer 5 and a stop switch for stopping the drying are provided on the surface plate 1' of the box. 50, and the operation device 6 ′
The lower surface plate 1 ′ is configured to open and close, and when the surface plate 1 ′ is opened, a drying temperature setting knob, a grain type setting knob, and a stop moisture setting which are setting switches 51 for setting drying conditions are provided inside. A knob and a drying pattern setting knob are provided. A digital input circuit (A) 52 to which the operation of the operation switch 49, the stop switch 50, the drying condition setting switch 51, and the like is input, the full sensor 45, the kernel remaining amount is provided inside the operation device 6 '. A digital input circuit (B) 53 to which the detection of the sensor 46 and each digital sensor and the like is input, an analog input circuit 54 to which detection of the indentation amount sensor 47, the moisture sensor 18, and each of the analog sensors and the like are input, An A / D converter 55 for A / D converting an input value input from an analog input circuit 54, these digital input circuits (A), (B) 52,
A microcomputer 56 for controlling the dryer for performing arithmetic logic operation and comparison operation, and a memory 57 for various input values input from the A / D converter 55 and the input values received from the microcomputer 56 are output in response to various commands instructed by the microcomputer 56. A drying control device 63 including an output circuit (A) 58, an output circuit (B) 59, an output circuit (C) 60, and a display output circuit 61 is provided.

The output circuit (A) 58 outputs the motors 22, 23 and 34 of the motor system. The output circuit (B) 59 controls the combustion system of the fuel pump 25 and the blower motor 28. The output circuit (C) 60 outputs the moisture motor 35, and the display output circuit 61 displays the message on the message display unit 48. This is a configuration for inputting / outputting data to / from the nonvolatile memory 62. The configuration is the same as that described above except for the above.

The operation of the above embodiment will be described below. The control of the start and stop of the dryer 5 by the operating device 6 'is performed as follows. That is, as shown in FIG. 13, the detection value detected by the kernel remaining amount sensor 46 is read (step 1), and the presence or absence of the kernel in the drying chamber 13 of the dryer 5 is detected (step 2). When it is detected that there is a grain, the detection value detected by the intrusion amount sensor 47 is read (step 3), and the intrusion kernel amount is detected (step 4). If detected, the moisture value of the grains contained in the storage room 10 is read from the memory 57 (step 5), and is compared with the stopped moisture (step 6), and it is detected that the grain is equal to or less than the stopped moisture. When,
The discharging operation is displayed on the message display section 48 (step 7). During this display, the operation switch 49 is operated to discharge the grains to the outside of the machine.

When it is detected that there is no grain in the drying chamber 13 of the dryer 5, if the drying chamber 13 is empty, an empty display is displayed on the message display section 48 (step 8). If it is detected that the amount is less than the amount of the stuffing, the stuffing operation is displayed on the message display section 48 (step 9). During this display, the operation switch 49 is operated to move the grains into the dryer 5. It is stuck.

When it is detected that the grain moisture is equal to or higher than the stop moisture, a drying operation is displayed on the message display section 48 (step 10). During this display, the operation switch 49 is operated to dry the grain. You. If the grain is being dried, the grain is continuously dried.

Further, as shown in FIG.
Is read (step 1), the presence or absence of grains in the drying chamber 13 in the dryer 5 is detected (step 2), and the detection value detected by the intrusion amount sensor 47 is detected. Is read (step 3), the amount of stuffing is detected (step 4), and the moisture value of the grains contained in the storage chamber 10 is read from the memory 57 (step 5), and the operation is stopped. The water is compared with the moisture (step 6), and when it is detected that the moisture is equal to or less than the stop moisture, the discharge operation and the additional drying operation are alternately displayed on the message display section 48 (step 7). By operating the switch 49, either the grain is discharged outside the machine or the additional drying is performed.

When it is detected that there is no grain in the drying chamber 13 of the dryer 5, the message display section 48 indicates that the drying chamber 13 is empty (step 8).
If it is detected that the amount is less than the minimum amount, the stuffing operation is displayed on the message display section 48 (step 9). It is stuffed inside.

When it is detected that the grain moisture is equal to or higher than the stop moisture, a detection value detected by the full sensor 45 is read (step 10), and when it is detected that the grain is full (step 11). The ventilation operation and the drying operation are alternately displayed on the message display section 48 (step 12).
While the operation to be performed is displayed, the operation switch 49 is operated to perform either ventilation drying or hot-air drying.

If it is detected that the state is not full, the message display section 48 displays the sticking operation, the ventilation operation and the drying operation.
Are displayed alternately (step 13), and while the operation to be performed is displayed, the operation switch 49 is operated to perform any of the embedding, the ventilation drying, and the hot-air drying.

As described above, the dryer 5 is started and stopped by the operation switch 49 and the stop switch 50 to facilitate the operation of the dryer 5.

[Brief description of the drawings]

FIG. 1 is a block diagram.

FIG. 2 is an enlarged front view of the operating device, which can be partially broken.

FIG. 3 is an enlarged front view of a part of the operation device.

FIG. 4 is an enlarged front view of a part of the operation device.

FIG. 5 is an enlarged front view of a part of the operation device.

FIG. 6 is an entire front view of the grain dryer, which is partially broken.

FIG. 7 is an enlarged sectional view taken along the line AA of FIG. 6;

FIG. 8 is an enlarged rear view of a part of the grain dryer.

FIG. 9 is a block diagram showing another invention.

FIG. 10 is an enlarged front view of another part of the operating device, showing another invention.

FIG. 11 is a partially broken whole side view of a grain dryer showing another invention.

FIG. 12 is an enlarged sectional view taken along the line AA of FIG. 11, showing another invention.

FIG. 13 is a flowchart showing another invention.

FIG. 14 is a flowchart showing another invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Surface plate, 2 ... Display device, 3 ... Selection device, 4 ... Drying control device

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-2-251083 (JP, A) JP-A-63-286689 (JP, A) JP-A-62-238983 (JP, A) JP-A-1- 46567 (JP, A) Japanese Utility Model Showa 58-165592 (JP, U) Japanese Utility Model Showa 60-173894 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) F26B 17/14

Claims (1)

(57) [Claims] 1. A display state for displaying each work item of a grain processing work different in sticking, drying, and discharging , on a part of the front plate ,
Setting items for stopping moisture and filling amount of grain during drying operation
And a display device 2 in a liquid crystal mode which is switched to a display state for displaying the change setting value , and a position corresponding to each of these work items or setting items in the vicinity of the lower part of each of the display devices 2 so as to correspond to each of these work items. Is selected for each display or setting items are desired.
An operation device for a grain dryer, comprising: a plurality of selection devices 3 for changing settings; and a drying control device 4 for controlling operation of the selection devices 3 in response to input of the operation of the selection devices 3.